diff --git a/tests/topotests/bgp_aigp_rr/r1/bgpd.conf b/tests/topotests/bgp_aigp_rr/r1/bgpd.conf new file mode 100644 index 000000000000..90d34bdf8382 --- /dev/null +++ b/tests/topotests/bgp_aigp_rr/r1/bgpd.conf @@ -0,0 +1,27 @@ +router bgp 65001 + no bgp ebgp-requires-policy + no bgp network import-check + bgp route-reflector allow-outbound-policy + neighbor 10.0.0.2 remote-as internal + neighbor 10.0.0.2 update-source lo + neighbor 10.0.0.2 timers 1 3 + neighbor 10.0.0.2 timers connect 1 + neighbor 10.0.0.2 route-reflector-client + neighbor 10.0.0.3 remote-as internal + neighbor 10.0.0.3 update-source lo + neighbor 10.0.0.3 timers 1 3 + neighbor 10.0.0.3 timers connect 1 + neighbor 10.0.0.3 route-reflector-client + neighbor 10.0.0.4 remote-as internal + neighbor 10.0.0.4 update-source lo + neighbor 10.0.0.4 timers 1 3 + neighbor 10.0.0.4 timers connect 1 + neighbor 10.0.0.4 route-reflector-client + address-family ipv4 + neighbor 10.0.0.4 route-map set-nexthop out + exit-address-family +! +route-map set-nexthop permit 10 + set ip next-hop peer-address +exit +! diff --git a/tests/topotests/bgp_aigp_rr/r1/ospfd.conf b/tests/topotests/bgp_aigp_rr/r1/ospfd.conf new file mode 100644 index 000000000000..b5b43c76bed4 --- /dev/null +++ b/tests/topotests/bgp_aigp_rr/r1/ospfd.conf @@ -0,0 +1,23 @@ +! +interface lo + ip ospf passive +! +interface r1-eth0 + ip ospf dead-interval 4 + ip ospf hello-interval 1 + ip ospf cost 10 +! +interface r1-eth1 + ip ospf dead-interval 4 + ip ospf hello-interval 1 + ip ospf cost 10 +! +interface r1-eth2 + ip ospf dead-interval 4 + ip ospf hello-interval 1 + ip ospf cost 10 +! +router ospf + router-id 10.0.0.1 + network 0.0.0.0/0 area 0 +! diff --git a/tests/topotests/bgp_aigp_rr/r1/zebra.conf b/tests/topotests/bgp_aigp_rr/r1/zebra.conf new file mode 100644 index 000000000000..bf4a3497e836 --- /dev/null +++ b/tests/topotests/bgp_aigp_rr/r1/zebra.conf @@ -0,0 +1,13 @@ +! +interface lo + ip address 10.0.0.1/32 +! +interface r1-eth0 + ip address 192.168.12.1/24 +! +interface r1-eth1 + ip address 192.168.13.1/24 +! +interface r1-eth2 + ip address 192.168.14.1/24 +! diff --git a/tests/topotests/bgp_aigp_rr/r2/bgpd.conf b/tests/topotests/bgp_aigp_rr/r2/bgpd.conf new file mode 100644 index 000000000000..97059fdd333f --- /dev/null +++ b/tests/topotests/bgp_aigp_rr/r2/bgpd.conf @@ -0,0 +1,18 @@ +router bgp 65001 + no bgp ebgp-requires-policy + no bgp network import-check + neighbor 10.0.0.1 remote-as internal + neighbor 10.0.0.1 update-source lo + neighbor 10.0.0.1 timers 1 3 + neighbor 10.0.0.1 timers connect 1 + address-family ipv4 + redistribute connected route-map connected-to-bgp + neighbor 10.0.0.1 next-hop-self + exit-address-family +! +ip prefix-list p22 seq 5 permit 10.0.2.2/32 +! +route-map connected-to-bgp permit 10 + match ip address prefix-list p22 + set aigp 2 +! diff --git a/tests/topotests/bgp_aigp_rr/r2/ospfd.conf b/tests/topotests/bgp_aigp_rr/r2/ospfd.conf new file mode 100644 index 000000000000..dd91101d9050 --- /dev/null +++ b/tests/topotests/bgp_aigp_rr/r2/ospfd.conf @@ -0,0 +1,18 @@ +! +interface lo + ip ospf passive +! +interface r2-eth0 + ip ospf dead-interval 4 + ip ospf hello-interval 1 + ip ospf cost 10 +! +interface r2-eth1 + ip ospf dead-interval 4 + ip ospf hello-interval 1 + ip ospf cost 10 +! +router ospf + router-id 10.0.0.2 + network 0.0.0.0/0 area 0 +! diff --git a/tests/topotests/bgp_aigp_rr/r2/zebra.conf b/tests/topotests/bgp_aigp_rr/r2/zebra.conf new file mode 100644 index 000000000000..6e2130f7e829 --- /dev/null +++ b/tests/topotests/bgp_aigp_rr/r2/zebra.conf @@ -0,0 +1,11 @@ +! +interface lo + ip address 10.0.0.2/32 + ip address 10.0.2.2/32 +! +interface r2-eth0 + ip address 192.168.12.2/24 +! +interface r2-eth1 + ip address 192.168.23.2/24 +! diff --git a/tests/topotests/bgp_aigp_rr/r3/bgpd.conf b/tests/topotests/bgp_aigp_rr/r3/bgpd.conf new file mode 100644 index 000000000000..b8a36c5ad05a --- /dev/null +++ b/tests/topotests/bgp_aigp_rr/r3/bgpd.conf @@ -0,0 +1,11 @@ +router bgp 65001 + no bgp ebgp-requires-policy + no bgp network import-check + neighbor 10.0.0.1 remote-as internal + neighbor 10.0.0.1 update-source lo + neighbor 10.0.0.1 timers 1 3 + neighbor 10.0.0.1 timers connect 1 + address-family ipv4 + neighbor 10.0.0.1 next-hop-self + exit-address-family +! diff --git a/tests/topotests/bgp_aigp_rr/r3/ospfd.conf b/tests/topotests/bgp_aigp_rr/r3/ospfd.conf new file mode 100644 index 000000000000..48702e4e4c65 --- /dev/null +++ b/tests/topotests/bgp_aigp_rr/r3/ospfd.conf @@ -0,0 +1,18 @@ +! +interface lo + ip ospf passive +! +interface r3-eth0 + ip ospf dead-interval 4 + ip ospf hello-interval 1 + ip ospf cost 10 +! +interface r3-eth1 + ip ospf dead-interval 4 + ip ospf hello-interval 1 + ip ospf cost 10 +! +router ospf + router-id 10.0.0.3 + network 0.0.0.0/0 area 0 +! diff --git a/tests/topotests/bgp_aigp_rr/r3/zebra.conf b/tests/topotests/bgp_aigp_rr/r3/zebra.conf new file mode 100644 index 000000000000..ea6663724e9b --- /dev/null +++ b/tests/topotests/bgp_aigp_rr/r3/zebra.conf @@ -0,0 +1,10 @@ +! +interface lo + ip address 10.0.0.3/32 +! +interface r3-eth0 + ip address 192.168.13.3/24 +! +interface r3-eth1 + ip address 192.168.23.3/24 +! diff --git a/tests/topotests/bgp_aigp_rr/r4/bgpd.conf b/tests/topotests/bgp_aigp_rr/r4/bgpd.conf new file mode 100644 index 000000000000..b8a36c5ad05a --- /dev/null +++ b/tests/topotests/bgp_aigp_rr/r4/bgpd.conf @@ -0,0 +1,11 @@ +router bgp 65001 + no bgp ebgp-requires-policy + no bgp network import-check + neighbor 10.0.0.1 remote-as internal + neighbor 10.0.0.1 update-source lo + neighbor 10.0.0.1 timers 1 3 + neighbor 10.0.0.1 timers connect 1 + address-family ipv4 + neighbor 10.0.0.1 next-hop-self + exit-address-family +! diff --git a/tests/topotests/bgp_aigp_rr/r4/ospfd.conf b/tests/topotests/bgp_aigp_rr/r4/ospfd.conf new file mode 100644 index 000000000000..1d95b2ac2bd6 --- /dev/null +++ b/tests/topotests/bgp_aigp_rr/r4/ospfd.conf @@ -0,0 +1,13 @@ +! +interface lo + ip ospf passive +! +interface r4-eth0 + ip ospf dead-interval 4 + ip ospf hello-interval 1 + ip ospf cost 10 +! +router ospf + router-id 10.0.0.4 + network 0.0.0.0/0 area 0 +! diff --git a/tests/topotests/bgp_aigp_rr/r4/zebra.conf b/tests/topotests/bgp_aigp_rr/r4/zebra.conf new file mode 100644 index 000000000000..d7a7dece2bca --- /dev/null +++ b/tests/topotests/bgp_aigp_rr/r4/zebra.conf @@ -0,0 +1,7 @@ +! +interface lo + ip address 10.0.0.4/32 +! +interface r4-eth0 + ip address 192.168.14.4/24 +! diff --git a/tests/topotests/bgp_aigp_rr/test_bgp_aigp_rr.py b/tests/topotests/bgp_aigp_rr/test_bgp_aigp_rr.py new file mode 100644 index 000000000000..0079535da7ce --- /dev/null +++ b/tests/topotests/bgp_aigp_rr/test_bgp_aigp_rr.py @@ -0,0 +1,128 @@ +#!/usr/bin/env python +# SPDX-License-Identifier: ISC + +# +# Copyright (c) 2024, Palo Alto Networks, Inc. +# Enke Chen +# + +""" +r1, r2, and r3 are directly connectd to each other. +r4 is only connected to r1 directly. + +r1 is the route reflector. +r1 sets the nexthop to itself when advertising routes to r4. + +r2 sources 10.0.2.2/32 with agigp-metric 2. + +Results: + +r1, r2 and r3 should have aigp-meric 2. +r4 should have aigp-metric 12, i.e., aigp + nexthop-metric. +""" + +import os +import sys +import json +import pytest +import functools + +CWD = os.path.dirname(os.path.realpath(__file__)) +sys.path.append(os.path.join(CWD, "../")) + +# pylint: disable=C0413 +from lib import topotest +from lib.topogen import Topogen, TopoRouter, get_topogen + +pytestmark = [pytest.mark.bgpd] + + +def build_topo(tgen): + for routern in range(1, 5): + tgen.add_router("r{}".format(routern)) + + switch = tgen.add_switch("s1") + switch.add_link(tgen.gears["r1"]) + switch.add_link(tgen.gears["r2"]) + + switch = tgen.add_switch("s2") + switch.add_link(tgen.gears["r1"]) + switch.add_link(tgen.gears["r3"]) + + switch = tgen.add_switch("s3") + switch.add_link(tgen.gears["r1"]) + switch.add_link(tgen.gears["r4"]) + + switch = tgen.add_switch("s4") + switch.add_link(tgen.gears["r2"]) + switch.add_link(tgen.gears["r3"]) + + +def setup_module(mod): + tgen = Topogen(build_topo, mod.__name__) + tgen.start_topology() + + router_list = tgen.routers() + + for _, (rname, router) in enumerate(router_list.items(), 1): + router.load_config( + TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname)) + ) + router.load_config( + TopoRouter.RD_OSPF, os.path.join(CWD, "{}/ospfd.conf".format(rname)) + ) + router.load_config( + TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format(rname)) + ) + + tgen.start_router() + + +def teardown_module(mod): + tgen = get_topogen() + tgen.stop_topology() + + +def test_bgp_aigp_rr(): + tgen = get_topogen() + + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + r1 = tgen.gears["r1"] + r2 = tgen.gears["r2"] + r3 = tgen.gears["r3"] + r4 = tgen.gears["r4"] + + def _bgp_check_aigp_metric(router, prefix, aigp): + output = json.loads( + router.vtysh_cmd("show bgp ipv4 unicast {} json".format(prefix)) + ) + expected = {"paths": [{"aigpMetric": aigp, "valid": True}]} + return topotest.json_cmp(output, expected) + + + # r2, 10.0.2.2/32 with aigp-metric 2 + test_func = functools.partial(_bgp_check_aigp_metric, r2, "10.0.2.2/32", 2) + _, result = topotest.run_and_expect(test_func, None, count=60, wait=1) + assert result is None, "aigp-metric for 10.0.2.2/32 is not 2" + + # r1, 10.0.2.2/32 with aigp-metric 2 + test_func = functools.partial(_bgp_check_aigp_metric, r1, "10.0.2.2/32", 2) + _, result = topotest.run_and_expect(test_func, None, count=60, wait=1) + assert result is None, "aigp-metric for 10.0.2.2/32 is not 2" + + # r3, 10.0.2.2/32 with aigp-metric 2 + test_func = functools.partial(_bgp_check_aigp_metric, r3, "10.0.2.2/32", 2) + _, result = topotest.run_and_expect(test_func, None, count=60, wait=1) + assert result is None, "aigp-metric for 10.0.2.2/32 is not 2" + + # r4, 10.0.2.2/32 with aigp-metric 12: aigp + nexthop-metric + test_func = functools.partial(_bgp_check_aigp_metric, r4, "10.0.2.2/32", 12) + _, result = topotest.run_and_expect(test_func, None, count=60, wait=1) + assert result is None, "aigp-metric for 10.0.2.2/32 is not 12" + + +if __name__ == "__main__": + args = ["-s"] + sys.argv[1:] + sys.exit(pytest.main(args))